Results 11 to 20 of about 7,117 (296)
The Lehtinen–Pirjola method modified for efficient modelling of geomagnetically induced currents in multiple voltage levels of a power network [PDF]
Annales Geophysicae, 2022 The need for accurate assessment of the geomagnetic hazard to power systems is driving a requirement to model geomagnetically induced currents (GIC) in multiple voltage levels of a power network.
R. J. Pirjola +4 more
doaj +1 more source
Transient behavior of wind towers grounding systems under lightning strikes [PDF]
, 2015 Wind turbines, because of their height and localization, are frequently subject to direct lightning strikes. Thus, the investigation on the performance of their grounding system is of paramount interest for the prediction of the potential threats either ...
ARANEO, Rodolfo, CELOZZI, Salvatore
core +1 more source
International Journal of Advanced Research in Science, Communication and Technology, 2021 The present invention relates to a system for maintaining and controlling earth resistance. The earth resistance is maintained by controlling moisture of earth using moisture sensor. The main component of the proposed earthing system is smart earthing kit which limits the leakage current.
Manish S Damodare +3 more
openaire +1 more source
Effect of Impulse Polarity on a New Grounding Device with Spike Rods (GDSR)
Energies, 2020 The characterizations of grounding systems subjected to high impulse conditions are known to be dependent on the polarity, current to peak time and discharge time, as well as the electrical properties of the soil, and the grounding electrodes themselves.
Abdul Wali Abdul Ali +2 more
doaj +1 more source
System configuration, fault detection, location, isolation and restoration: a review on LVDC Microgrid protections [PDF]
, 2019 Low voltage direct current (LVDC) distribution has gained the significant interest of research due to the advancements in power conversion technologies. However, the use of converters has given rise to several technical issues regarding their protections
Bououden +11 more
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Measurement + Control, 2017 This paper addresses accepted practice for the earthing of control systems in a variety of environments and is intended to give control and instrument technicians and engineers a basic understanding of the power supply earthing systems to which their ...
David W Otterson
doaj +1 more source
Energies, 2020 In a recently published work, the characteristics of a new grounding device with spike rods (GDSR) with various arrangements of ground electrodes under high magnitude impulse currents (up to 16 kA), was investigated.
Abdul Wali Abdul Ali +4 more
doaj +1 more source
Grounding System Adequacy of HV/MV Substations in Areas With Reduced Accessibility [PDF]
, 2015 The adequacy of grounding systems has to be verified periodically in the operational time. With urban development and buildings growth adjacent to power systems as HV/MV substations, it is very rare to have area around with sufficient accessibility for ...
Farber, Alexander +4 more
core +1 more source
New Method for Modelling Seasonal Variation in Resistance and Performance of Earthing Systems
Energies, 2023 The current techniques utilized for estimating seasonal fluctuations in earthing system resistance, including artificial neural networks (ANNs) and correlation/correction factors, rely on resistance records, soil resistivity measurements, and ...
Onyedikachi Samuel Nnamdi +1 more
doaj +1 more source
Investigation of different system earthing schemes for protection of low-voltage DC microgrids
The Journal of Engineering, 2019 DC microgrids are expected to play an important role in maximising the benefits of distributed energy resources in future low carbon smart power systems.
Ahmad Makkieh +4 more
doaj +1 more source